PC only: They fixed this in the PC version so he has a … bubble over his head when there is something new.

To get to him you have to defeat the foot soldiers first. The fight starts with three soldier unions, one Stormtroopers and two Commandos. There will be reinforcements after defeating some of them, a Cleric Squad, two Stormtroopers and two Commandos. Once you take them out a "mini boss" appears - a Tactics Squad together with two Stormtroopers. Two additional Magus Squads will appear the next turn in your back.

Defeat the mini boss for a scene. You also receive a reward here of (depending on the number of enemies defeated):